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Telegram News
To delete a channel with over 1,000 subscribers, you need to contact user support The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. How to build a private or public channel on Telegram? It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon.
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